CN208092234U - A kind of multifunction laser rangefinder - Google Patents
A kind of multifunction laser rangefinder Download PDFInfo
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- CN208092234U CN208092234U CN201721900612.1U CN201721900612U CN208092234U CN 208092234 U CN208092234 U CN 208092234U CN 201721900612 U CN201721900612 U CN 201721900612U CN 208092234 U CN208092234 U CN 208092234U
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
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- 238000007747 plating Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
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Abstract
The utility model is related to laser ranging systems, disclose a kind of multifunction laser rangefinder, it includes a monocular, two laser transmitting systems and two laser receiver systems, monocular is between laser transmitting system and laser receiver system, laser transmitting system includes long distance laser emission system and short distance laser transmitting system, laser receiver system includes that long distance laser receives system and short distance laser receiver system, by laser pulse and phase combine in the way of, realize short distance high-precision laser phase ranging, the novel distance measuring pattern of remote pulsed laser ranging.The utility model integrates the integration of pulse ranging and phase ranging module, since the range measurement principle of the two is non-interference, the laser source wavelength used is different, integrated measuring of the realization product short distance high-acruracy survey to telemeasurement, a variety of application demands may be implemented in one product, the disadvantage for overcoming previous product ranging application demand single, embodies the multifunction of product.
Description
Technical field
The utility model is related to laser ranging systems, more particularly to a kind of multifunction laser rangefinder.
Background technology
Common laser range finder have measurement long distance from, can generally measure 1 thousand to two km or even farther, also have
Short distance is measured, within usually tens meters, is also had within several meters, the common range measurement principle of laser range finder includes pulse
Ranging, phase ranging and triangle measurement method etc., pulse ranging were counted using the propagation flight time of transmitting light and reception light
Calculate detecting distance, phase ranging be when being propagated in space using detection transmitting light and reflected light the phase difference that occurs detect away from
From triangle measurement method is the geometrical principle using light, according to position of the reflected hot spot of testee on photosensitive element
To calculate detecting distance.In actual use, different ranging products is selected according to different application demands, but cannot achieve one
Ranging demand of a product to far and near distance.
In the utility model product integration short distance range finder module and remote range finder module a to product, arteries and veins is utilized
It rushes ranging and mode that phase ranging is combined, makes product not only can be with high-acruracy survey closely, but also it can be with measurement long distance from behaviour
Facilitate, using simple, realizes the multifunction of product.
Invention content
The utility model is directed to the problems of the prior art, provides a kind of multifunction laser rangefinder.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of multifunction laser rangefinder a comprising monocular, two laser transmitting systems and two laser
Reception system, for monocular between laser transmitting system and laser receiver system, laser transmitting system includes remote
Laser transmitting system and short distance laser transmitting system, long distance laser emission system include first laser light source, the first transmitting
Lens, cemented prism, half pentaprism of ridge, object lens, short distance laser transmitting system include second laser light source and the second transmitting
Lens, laser receiver system include that long distance laser receives system and short distance laser receiver system, and long distance laser receives system
System includes receiving lens plating 400-1000nm all bands anti-reflection film, reflective mirror, spike filter and the first photosensitive element, low coverage
Include receiving lens, reflective mirror, spike filter and the second photosensitive element from laser receiver system, first laser light source is
The light emitting diode of 905nm wavelength, second laser light source are the light emitting diode of 650nm wavelength, the visual field light of monocular
Late position sets the display unit there are one display distance.
Preferably, monocular includes object lens, half pentaprism of ridge, cemented prism and eyepiece, object lens, ridge half five
Point-blank, half pentaprism of ridge and cemented prism are arranged side by side for prism and eyepiece setting.
Preferably, reflective mirror is the reflective mirror for reflecting 650nm wavelength transmission 905nm wavelength, two spike filters point
Not Wei the first optical filter and the second optical filter, the first optical filter be only penetrate 905nm wavelength a spike filter, other wavelength cut
Only；Second optical filter only penetrates the spike filter of 650nm wavelength, other wavelength cut-offs；The peak induction of first photosensitive element
Wavelength is 905nm；The peak induction wavelength of second photosensitive element is 650nm.
Preferably, the display unit of display distance is liquid crystal display or Organic Light Emitting Diode OLED.
Preferably, the anti-reflection film of the first diversing lens plating 905nm wavelength；Second diversing lens plate the increasing of 650nm wavelength
Permeable membrane.
The utility model uses above scheme and has the advantages that：The utility model integrates pulse ranging and phase
The integration of range finder module, since the range measurement principle of the two is non-interference, the laser source wavelength used is different, realizes that product is close
Integrated measuring apart from high-acruracy survey to telemeasurement, a product can realize a variety of application demands, overcome with
The disadvantage single toward product ranging application demand, embodies the multifunction of product.
Description of the drawings
Fig. 1-Fig. 4 is the principles of the present invention figure.
The toponym that each number designation is referred in attached drawing is as follows：100-object lens, 101-ridge, half pentaprism,
102-cemented prisms, 103-display units, 104-eyepieces, the 105-the first diversing lens, 106-first laser light sources,
107-the second diversing lens, 108-second laser light sources, 109-receiving lens, 110-reflective mirrors, 111-the first are filtered
Piece, the 112-the first photosensitive element, the 113-the second optical filter, the 114-the second photosensitive element, 202-cemented prisms, 301-regard
Field diaphragm, 302-cemented prisms, 303-display lens groups.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of multifunction laser rangefinder, as Figure 1-Figure 4 comprising a monocular, two Laser emissions
System and two laser receiver systems, monocular is between laser transmitting system and laser receiver system, Laser emission
System includes long distance laser emission system and short distance laser transmitting system, and long distance laser emission system includes first laser
Light source 106, the first diversing lens 105, cemented prism 102, half pentaprism 101 of ridge, object lens 100, short distance Laser emission system
System includes second laser light source 108 and the second diversing lens 107, and laser receiver system includes that long distance laser receives system and closely
Apart from laser receiver system, it includes that receiving lens 109 plate 400-1000nm all bands anti-reflection film, anti-that long distance laser, which receives system,
Light microscopic 110, spike filter and the first photosensitive element 112, short distance laser receiver system include receiving lens 109, reflective mirror
110, spike filter and the second photosensitive element 114, first laser light source 106 are the light emitting diode of 905nm wavelength, and second swashs
Radiant 108 is the light emitting diode of 650nm wavelength, and the field stop position of monocular sets showing there are one display distance
Show unit 103.
Monocular includes object lens 100, half pentaprism 101 of ridge, cemented prism 102 and eyepiece 104, object lens 100, room
Point-blank, half pentaprism 101 of ridge and cemented prism 102 are arranged side by side for half pentaprism 101 of ridge and the setting of eyepiece 104.
Wherein half pentaprism 101 of ridge and cemented prism 102 can need to change left-right situs position according to light path.
Reflective mirror 110 is the reflective mirror for reflecting 650nm wavelength transmission 905nm wavelength, and two spike filters are respectively the
One optical filter 111 and the second optical filter 113, the first optical filter 111 are the spike filter for only penetrating 905nm wavelength, other waves
Long cut-off；Second optical filter 113 is through the spike filter of 650nm wavelength, other wavelength cut-offs；First photosensitive element 112
Peak induction wavelength be 905nm；The peak induction wavelength of second photosensitive element 114 is 650nm.
The display unit 103 of display distance is liquid crystal display or Organic Light Emitting Diode OLED.
First diversing lens 105 plate the anti-reflection film of 905nm wavelength；Second diversing lens 107 plate the anti-reflection of 650nm wavelength
Film.
Operation principle is as follows：As shown in Figure 1, monocular includes object lens 100, half pentaprism 101 of ridge, cemented prism
102 and eyepiece 104, in its field stop position, there are one liquid crystal displays 103.In remote range-measurement system, laser light
Source 106 emits 905nm laser, from diversing lens 105, cemented prism 102, and half pentaprism 101 of ridge, 100 shoot laser of object lens,
From the reflected optical signal of testee, it is received the reception of lens 109, by reflective mirror 110 and the first optical filter 111, is arrived
Product and measured object distance are calculated according to pulse ranging principle up to the first photosensitive element 112, farther out due to distance, general ranging
Precision is ± 1 meter or so；In short distance range-measurement system, laser light source 108 emits 650nm laser, is emitted from diversing lens 107
Laser is received the reception of lens 109, by reflective mirror 110, the second optical filter from the reflected optical signal of testee
113, reach the second photosensitive element 114, according to phase ranging principle, calculate product and measured object distance, due to phase measurement and
Tested distance is closer, and precision can reach a millimeter rank.
As shown in Figure 1, in actually measuring, laser light source 106 and laser light source 108 emit laser, receiving lens simultaneously
109 receive the optical signal of two measured objects reflection simultaneously, distinguish and handle by circuit signal, if tested distance is closer, than
As within 100 meters, then signal data is subject to short distance phase ranging system, and precision is up to millimeter rank；If tested distance compared with
Far, then signal data is subject to remote pulse ranging system, by different data processings, realizes that multi-functional ranging needs
It asks.
As shown in Fig. 2, when changing the light path position of cemented prism 202 and half pentaprism 101 of ridge, it is glued by changing
The shape of prism 202 can also realize telescope prism inverted image and the component part as long distance laser emission system；Work as liquid
When brilliant display unit 103 is using Organic Light Emitting Diode OLED, it can allow 103 Projection Display of liquid crystal display on optical axis, such as
Shown in Fig. 3 and Fig. 4, liquid crystal display 103 is by showing that lens group 303 and cemented prism are imaged on the visual field light of telescope
Late 301 positions, can greatly increase the transmitance of telescopic system in this way, improve the light levels of visual field, solve liquid shown in Fig. 1
Brilliant display unit 103 is placed on optical axis and the problem that causes telescope transmitance not high.
In short, these are only the preferred embodiment of the utility model, it is all made according to the patent scope of the utility model
Equivalent changes and modifications should all belong to the covering scope of the utility model patent.
Claims (5)
1. a kind of multifunction laser rangefinder, it is characterised in that：It include a monocular, two laser transmitting systems and
Two laser receiver systems, monocular is between laser transmitting system and laser receiver system, laser transmitting system packet
Long distance laser emission system and short distance laser transmitting system are included, long distance laser emission system includes first laser light source
(106), the first diversing lens (105), cemented prism (102), half pentaprism of ridge (101), object lens (100), short distance laser
Emission system includes second laser light source (108) and the second diversing lens (107), and laser receiver system includes that long distance laser connects
Receipts system and short distance laser receiver system, it includes receiving lens (109) plating 400-1000nm complete that long distance laser, which receives system,
Wave band anti-reflection film, reflective mirror (110), spike filter and the first photosensitive element (112), short distance laser receiver system include connecing
Receiving lens (109), reflective mirror (110), spike filter and the second photosensitive element (114), first laser light source (106) is
The light emitting diode of 905nm wavelength, second laser light source (108) are the light emitting diode of 650nm wavelength, and monocular regards
Field diaphragm position sets the display unit (103) there are one display distance.
2. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：Monocular includes object lens
(100), half pentaprism of ridge (101), cemented prism (102) and eyepiece (104), object lens (100), half pentaprism of ridge (101)
Point-blank with eyepiece (104) setting, half pentaprism of ridge (101) and cemented prism (102) are arranged side by side.
3. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：Reflective mirror (110) is reflection
The reflective mirror of 650nm wavelength transmission 905nm wavelength, two spike filters are respectively that the first optical filter (111) and second are filtered
Piece (113), the first optical filter (111) are the spike filter for only penetrating 905nm wavelength, other wavelength cut-offs；Second optical filter
(113) it is the spike filter for only penetrating 650nm wavelength, other wavelength cut-offs；The peak induction wave of first photosensitive element (112)
A length of 905nm；The peak induction wavelength of second photosensitive element (114) is 650nm.
4. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：The display unit of display distance
(103) it is liquid crystal display or Organic Light Emitting Diode OLED.
5. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：First diversing lens (105) plate
The anti-reflection film of 905nm wavelength；Second diversing lens (107) plate the anti-reflection film of 650nm wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900612.1U CN208092234U (en) | 2017-12-29 | 2017-12-29 | A kind of multifunction laser rangefinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900612.1U CN208092234U (en) | 2017-12-29 | 2017-12-29 | A kind of multifunction laser rangefinder |
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| Publication Number | Publication Date |
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| CN208092234U true CN208092234U (en) | 2018-11-13 |
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| CN201721900612.1U Active CN208092234U (en) | 2017-12-29 | 2017-12-29 | A kind of multifunction laser rangefinder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340630A (en) * | 2019-07-17 | 2019-10-18 | 中国科学院自动化研究所 | Robot automation's assembly method and device based on Multi-sensor Fusion |
| CN111190166A (en) * | 2020-01-09 | 2020-05-22 | 金华市蓝海光电技术有限公司 | Laser range finder with double-color switching display |
| CN111711749A (en) * | 2020-06-01 | 2020-09-25 | Oppo（重庆）智能科技有限公司 | Laser ranging device, camera module, electronic equipment and control method |
| CN111736164A (en) * | 2020-07-30 | 2020-10-02 | 金华市蓝海光电技术有限公司 | Laser scanning range finder |
| CN117492021A (en) * | 2023-12-20 | 2024-02-02 | 深达威科技(广东)股份有限公司 | Dual-optical-fusion laser range finder |
| CN117492021B (en) * | 2023-12-20 | 2024-07-09 | 深达威科技(广东)股份有限公司 | Dual-optical-fusion laser range finder |
-
2017
- 2017-12-29 CN CN201721900612.1U patent/CN208092234U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340630A (en) * | 2019-07-17 | 2019-10-18 | 中国科学院自动化研究所 | Robot automation's assembly method and device based on Multi-sensor Fusion |
| CN110340630B (en) * | 2019-07-17 | 2020-09-01 | 中国科学院自动化研究所 | Robot automatic assembly method and device based on multi-sensor fusion |
| CN111190166A (en) * | 2020-01-09 | 2020-05-22 | 金华市蓝海光电技术有限公司 | Laser range finder with double-color switching display |
| CN111711749A (en) * | 2020-06-01 | 2020-09-25 | Oppo（重庆）智能科技有限公司 | Laser ranging device, camera module, electronic equipment and control method |
| CN111736164A (en) * | 2020-07-30 | 2020-10-02 | 金华市蓝海光电技术有限公司 | Laser scanning range finder |
| CN117492021A (en) * | 2023-12-20 | 2024-02-02 | 深达威科技(广东)股份有限公司 | Dual-optical-fusion laser range finder |
| CN117492021B (en) * | 2023-12-20 | 2024-07-09 | 深达威科技(广东)股份有限公司 | Dual-optical-fusion laser range finder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinhua Xinlong Packaging Materials Factory Assignor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY CO.,LTD. Contract record no.: X2024980007766 Denomination of utility model: A multifunctional laser rangefinder Granted publication date: 20181113 License type: Common License Record date: 20240621 |